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NOAA Reports Record CO2 Levels at Mauna Loa, Indicating Continued Climate Change

NOAA Reports Record CO2 Levels at Mauna Loa, Indicating Continued Climate Change

The National Oceanic and Atmospheric Administration (NOAA) has recorded a new high in carbon dioxide levels at Mauna Loa, Hawaii. In June 2026, the monthly average concentration of CO2 reached 431.44 parts per million (ppm), up from 429.61 ppm in June 2025. This increase is part of a long-term trend of rising greenhouse gases, which are significantly above pre-industrial levels. The data from Mauna Loa, a key site for atmospheric monitoring, is crucial for understanding global climate change. The increase in CO2 levels is consistent with other indicators of climate change, such as rising global temperatures and ocean heat content.
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High Oil Prices Lead to Increased Electric Bills for Hawaiian Electric Customers

High Oil Prices Lead to Increased Electric Bills for Hawaiian Electric Customers

Hawaiian Electric Co. (HECO) customers are experiencing significant increases in their electric bills due to rising oil prices, exacerbated by the ongoing conflict in Iran. The average electric bill for Oahu homes has risen by $60 since June 2025, with similar increases reported across other Hawaiian islands. HECO primarily relies on oil to power its generators, making it vulnerable to fluctuations in oil prices. Despite efforts to incorporate more renewable energy sources, Hawaii's dependence on oil remains high, contributing to the state's already high cost of living.
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Heat Rejection Window Tint Technology Enhances Comfort and Efficiency in Hawaii

Heat Rejection Window Tint Technology Enhances Comfort and Efficiency in Hawaii

Heat Rejection Window Tint Technology Enhances Comfort and Efficiency in Hawaii
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Hawaii Governor Signs Legislation for 50% Reduction in Transportation Emissions by 2045

Hawaii Governor Signs Legislation for 50% Reduction in Transportation Emissions by 2045

Governor Josh Green of Hawaii has signed Senate Bill 2999, now Act 258, which establishes a statewide Clean Fuel Standard. This legislation aims to reduce the carbon intensity of transportation fuels by 50% from 2019 levels by 2045. The initiative includes a market-based credit system to encourage investment in cleaner fuels and electric transportation. Hawaii's Department of Transportation will oversee the program, using the Argonne National Laboratory GREET model to measure emissions across a fuel's lifecycle. The state joins California, Oregon, Washington, and New Mexico in adopting such standards.
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Explainer-As sargassum seaweed piles up, Caribbean bets on boats, barriers and biofuel

Explainer-As sargassum seaweed piles up, Caribbean bets on boats, barriers and biofuel

By Sarah Morland MEXICO CITY, July 31 (Reuters) - Hundreds of Mexican hotel workers, tractor operators and specialized Navy personnel are heading out to the beach each day at dawn to clean record masses of rotting sargassum seaweed off pristine Caribbean coastlines around popular tourist resorts.
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U.S. Navy Tests Over 35 Autonomous Systems for Indo-Pacific Naval Operations

U.S. Navy Tests Over 35 Autonomous Systems for Indo-Pacific Naval Operations

The U.S. Navy is conducting extensive tests of more than 35 autonomous systems during the Rim of the Pacific (RIMPAC) 2026 exercises. These tests are designed to integrate unmanned systems and emerging technologies into multinational naval operations around Hawaii. The trials aim to evaluate how these autonomous capabilities can enhance future U.S. and allied maritime operations across the Indo-Pacific region. The exercises involve realistic fleet operations with allied warships, aircraft, and submarines, focusing on persistent intelligence, surveillance, reconnaissance, aerial threat detection, and undersea warfare. The goal is to assess the interoperability of these technologies with conventional naval forces and coalition command networks.
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Motorcyclist Critically Injured in Highway 11 Crash on Hawaii Island

Motorcyclist Critically Injured in Highway 11 Crash on Hawaii Island

A serious traffic accident occurred on Highway 11 near Hilo, Hawaii, involving a motorcycle and a Honda CRV. The crash took place around 8:30 p.m. on Thursday night, resulting in the motorcyclist being critically injured. According to the Hawaii Police Department, the 64-year-old motorcyclist rear-ended the Honda CRV while both vehicles were traveling toward Kea'au. Emergency responders transported the motorcyclist to Hilo Benioff Medical Center, where he remains in critical condition. The driver of the CRV and his passenger were not injured. Police have identified speed and inattention as contributing factors to the accident, which is currently under investigation. The Puna-bound lanes of the highway were temporarily closed but have since reopened.
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Southwest Airlines Expands Service with New Las Vegas-Hilo Route

Southwest Airlines Expands Service with New Las Vegas-Hilo Route

Southwest Airlines Expands Service with New Las Vegas-Hilo Route
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Southeast Asian Farmers Struggle with Recovery After North Shore Floods

Southeast Asian Farmers Struggle with Recovery After North Shore Floods

Southeast Asian farmers on Hawaii's North Shore are facing significant challenges in recovering from the March Kona low floods. Many farmers, including Phet Souksamly, have lost their homes and crops, with language barriers and immigration status complicating access to aid. The floods caused over $42 million in damage statewide, severely impacting the farmers' livelihoods. Despite some government and community assistance, the recovery process is slow, and many farmers are relying on community support to rebuild. The situation highlights the vulnerability of immigrant farming communities in disaster recovery efforts.
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Hawaiian Waterbird's Status Downgraded Amid Conservation Success

Hawaiian Waterbird's Status Downgraded Amid Conservation Success

The U.S. Fish and Wildlife Service has downgraded the status of the Hawaiian stilt, or ae‘o, from endangered to threatened following successful conservation efforts. The bird's population has increased nearly tenfold, from about 200 to nearly 2,000, due to habitat restoration and predator control. Despite this success, some conservationists express concern that the change in status may lead to reduced protections under the Trump administration's less stringent conservation rules. The ae‘o's recovery is seen as a rare success story in Hawaii, which is known for its high number of endangered species.
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Hawaii Expands Rules to Combat Coconut Rhinoceros Beetle Spread

Hawaii Expands Rules to Combat Coconut Rhinoceros Beetle Spread

The state Board of Agriculture and Biosecurity in Hawaii has expanded restrictions to combat the spread of the coconut rhinoceros beetle (CRB), an invasive species that has devastated coconut trees across the islands. New rules restrict the transportation of potential host materials between infested areas and other regions without a permit. The beetle has been detected on all main Hawaiian islands, prompting increased efforts to control its spread.
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Wildfires are more extreme in Europe and North America, but global burning is oddly decreasing

Wildfires are more extreme in Europe and North America, but global burning is oddly decreasing

Experts say the world is experiencing two opposing fire trends because of human impact